Effect of Soil Burial on Tensile Properties of Polypropylene/Plasticized Cassava Starch Blends

Table 1

Percent decrease in tensile strength of PP/PCS after biodegradation.

Starch contents; (Wt.%)	% loss in tensile strength; after 30 days	% loss in tensile strength; after 60 days	% loss in tensile strength; after 90 days
0	0.66	1.44	2.05
10	11.24	16.88	25.77
20	13.09	14.71	29.43
30	12.45	18.96	31.16
40	15.45	16.65	30.14
50	16.17	20.88	40.66